| 摘要 |
PROBLEM TO BE SOLVED: To prevent the projection of a specific rotary blade present in the inside of a charging port into the port without lowering the stirring efficiency at the time of stopping the rotation in a stirring device, which incorporates a rotatable shaft and plural stirring blades extending in the radius direction therefrom in a long hollow stirring vessel housing a granular material or a bulky material and possesses the charging port on the drum part of the stirring treating vessel. SOLUTION: A control system C for controlling a driving motor 4 for driving a rotary shaft 2 with the response to a operation signal is provided A stopping control means for stopping the driving motor 4 with a prescribed delay action until the tip end of the specific stirring blade 201 in the stirring blades, which is arranged in the inner zone of the charging port 12, moves to a position out of the charging port 12 after the stopping operation signal for stopping the driving motor 4 is inputted is provided in the control system C.
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